<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
	</head>
	<body>
		<div id="" style="display: flex;justify-content: center;">
			<form action="longinfo.php" method="post" >
				<br><br>
                用户名：<input type="text" name="username" id="" value="" placeholder="请输入用户名"/><br>
                密&nbsp;&nbsp; 码：<input type="text" name="pwd" id="" value="" placeholder="请输入密码"/><br>
				<input type="submit" value="登录"/>
			</form>
		</div>
	</body>
</html>